Glynp Posted January 14, 2020 Share Posted January 14, 2020 Can someone please answer a question for me,I own a 2019 Ford Focus with the cylinder deactivation,and a button which enables normal driving,eco during and sports driving.,my questions are does cylinder deactivation work only when you put it in Eco mode,or will it automatically deactivate to only 2 cylinders if it detects you are under low load in the normal driving mode of the three,and secondly if you are in the eco mode and only using 2 cylinders and you need to speed up,thereby needling the 3 rd cylinder again will it automatically activate that 3rd cylinder or do I need to manually press the switch to set it back to normal mode,the reason I ask this is I’m worried that if I’m in eco mode and asking for more power am I labouring the engine if it stays on only 2 cylinders,sorry to write a long winded question but didn’t know how to put it more simpler! Quote Link to comment Share on other sites More sharing options...
pragmatix Posted January 14, 2020 Share Posted January 14, 2020 Works in all modes under slight load no need to switch Quote Link to comment Share on other sites More sharing options...
Glynp Posted January 14, 2020 Author Share Posted January 14, 2020 If that’s the case,why have a switch to do it if it will automatically deactivate one cylinder whatever mode you are in? Quote Link to comment Share on other sites More sharing options...
Comares2001 Posted January 14, 2020 Share Posted January 14, 2020 I think I'd be right in saying the Eco or Sport modes modify the ECU map and have no direct bearing on cylinder deactivation Quote Link to comment Share on other sites More sharing options...
pragmatix Posted January 16, 2020 Share Posted January 16, 2020 On 1/14/2020 at 3:11 PM, Comares2001 said: I think I'd be right in saying the Eco or Sport modes modify the ECU map and have no direct bearing on cylinder deactivation That's as I understand it. Quote Link to comment Share on other sites More sharing options...
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